• 126 minutes

  • 136 minutes

  • 96 minutes

  • 106 minutes


One clock show 10 pm. On 21st January 2010 one clock gains = 2 minutes Other clock loses = 5 minutes Time period between 10 pm and 4 pm = 18 hours Therefore, Required difference = (2 × 18 + 5 × 18) minutes = 126 minutes